Sex ratio is remarkably constant.
Ein-Mor E, Mankuta D, Hochner-Celnikier D, Hurwitz A, Haimov-Kochman R.
Ein-Mor E, et al. Among authors: hurwitz a.
Fertil Steril. 2010 Apr;93(6):1961-5. doi: 10.1016/j.fertnstert.2008.12.036. Epub 2009 Jan 20.
Fertil Steril. 2010.
PMID: 19159875
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